The Distribution of Indian Ocean Euphausiids
377
That is, they extend over the full breadth of the Pacific, including particularly the eastern
equatorial Pacific characterized by high productivity and a strong oxygen minimum
above 500 m depth. (The eastern equatorial Pacific is also the habitat of E. distinguenda,
mentioned in the preceding paragraph). These 2 environmental properties also characterize the Arabian Sea and Bay of Bengal, through which the equatorial ranges of E ..
diomediae and N. gracilis extend.
Fig. 9 b. Thysanopoda aequalis, T. subaequalis, November - March
A number of tropical-subtropical circumglobal species are bounded on the north in
the Indian Ocean by the region of the 10 0 N parallel- the southern limit of the Arabian
Sea - Bay of Bengal. These are:
Euphausia tenera
Thysanopoda monacantha
Thysanopoda tricuspidata
Nematoscelis microps (Fig. 6 a, b)
Nematoscelis ten ella (Fig. 6a, b)
377
That is, they extend over the full breadth of the Pacific, including particularly the eastern
equatorial Pacific characterized by high productivity and a strong oxygen minimum
above 500 m depth. (The eastern equatorial Pacific is also the habitat of E. distinguenda,
mentioned in the preceding paragraph). These 2 environmental properties also characterize the Arabian Sea and Bay of Bengal, through which the equatorial ranges of E ..
diomediae and N. gracilis extend.
Fig. 9 b. Thysanopoda aequalis, T. subaequalis, November - March
A number of tropical-subtropical circumglobal species are bounded on the north in
the Indian Ocean by the region of the 10 0 N parallel- the southern limit of the Arabian
Sea - Bay of Bengal. These are:
Euphausia tenera
Thysanopoda monacantha
Thysanopoda tricuspidata
Nematoscelis microps (Fig. 6 a, b)
Nematoscelis ten ella (Fig. 6a, b)